Home / 57,368.57-79,166.37-31,876.52

Finding the Fourth Proportional to 57,368.57, 79,166.37 and 31,876.52

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Solution

The fourth proportional to 57,368.57, 79,166.37 and 31,876.52 is: 43,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,368.57 : 79,166.37 = 31,876.52 : x
  2. Step 2: Convert to fraction form
    57,368.57/79,166.37 = 31,876.52/x
  3. Step 3: Cross multiply
    57,368.57x = 79,166.37 × 31,876.52
  4. Step 4: Simplify right side
    57,368.57x = 2,523,548,376.63
  5. Step 5: Solve for x
    x = 2,523,548,376.63/57,368.57
  6. Step 6: Final answer
    x = 43,988.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.